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Question

Choose the correct statement.

A
The average velocity of a moving body can be zero.
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B
The average velocity of a moving body cannot be zero.
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C
The average speed of a moving body can be zero.
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D
The average speed of a moving body is always less than the average velocity.
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Solution

The correct option is A The average velocity of a moving body can be zero.
The average velocity of a moving body can be zero when the displacement is zero.
Average velocity=Total displacementTotal time

Average speed can never be zero because the body will cover some distance while moving.
Average speed=Total distanceTotal time

Since displacement is the shortest path between the initial and final point, it can never be greater than the distance.

So, the average speed is always greater than or equal to the average velocity.

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